[INFO] cloning repository https://github.com/s9v/yaatla
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/s9v/yaatla" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fs9v%2Fyaatla", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fs9v%2Fyaatla'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e9c2affac72fab7b015256e813116a9e95b63182
[INFO] testing s9v/yaatla against 1.59.0 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fs9v%2Fyaatla" "/workspace/builds/worker-64/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-64/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/s9v/yaatla on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/s9v/yaatla
[INFO] finished tweaking git repo https://github.com/s9v/yaatla
[INFO] tweaked toml for git repo https://github.com/s9v/yaatla written to /workspace/builds/worker-64/source/Cargo.toml
[INFO] crate git repo https://github.com/s9v/yaatla already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-64/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-64/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1dd17562178d8663e8c34a58c0f2f57c0c03fd07338b5126c4936f1e78677abc
[INFO] running `Command { std: "docker" "start" "-a" "1dd17562178d8663e8c34a58c0f2f57c0c03fd07338b5126c4936f1e78677abc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1dd17562178d8663e8c34a58c0f2f57c0c03fd07338b5126c4936f1e78677abc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1dd17562178d8663e8c34a58c0f2f57c0c03fd07338b5126c4936f1e78677abc", kill_on_drop: false }`
[INFO] [stdout] 1dd17562178d8663e8c34a58c0f2f57c0c03fd07338b5126c4936f1e78677abc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-64/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-64/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3968ece4b2b591e3a4ae4dcc2cac1f872a18f397d9b78769ce64698bbf0a2ac2
[INFO] running `Command { std: "docker" "start" "-a" "3968ece4b2b591e3a4ae4dcc2cac1f872a18f397d9b78769ce64698bbf0a2ac2", kill_on_drop: false }`
[INFO] [stderr]    Compiling yaatla v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> src/main.rs:6:7
[INFO] [stdout]   |
[INFO] [stdout] 6 |   let mut sin = std::io::stdin();
[INFO] [stdout]   |       ----^^^
[INFO] [stdout]   |       |
[INFO] [stdout]   |       help: remove this `mut`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]  --> src/main.rs:8:3
[INFO] [stdout]   |
[INFO] [stdout] 8 |   sout.flush();
[INFO] [stdout]   |   ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]   = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:15:3
[INFO] [stdout]    |
[INFO] [stdout] 15 |   sin.read_line(&mut String::new());
[INFO] [stdout]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 30 |     sout.flush();
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:34:5
[INFO] [stdout]    |
[INFO] [stdout] 34 |     sin.read_line(&mut recall);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.41s
[INFO] running `Command { std: "docker" "inspect" "3968ece4b2b591e3a4ae4dcc2cac1f872a18f397d9b78769ce64698bbf0a2ac2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3968ece4b2b591e3a4ae4dcc2cac1f872a18f397d9b78769ce64698bbf0a2ac2", kill_on_drop: false }`
[INFO] [stdout] 3968ece4b2b591e3a4ae4dcc2cac1f872a18f397d9b78769ce64698bbf0a2ac2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-64/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-64/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fb2a3fe7fd2c68c63db7dec32bbf1309fa8ec8482efbad4eb6ed364cf1e08cff
[INFO] running `Command { std: "docker" "start" "-a" "fb2a3fe7fd2c68c63db7dec32bbf1309fa8ec8482efbad4eb6ed364cf1e08cff", kill_on_drop: false }`
[INFO] [stderr]    Compiling yaatla v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> src/main.rs:6:7
[INFO] [stdout]   |
[INFO] [stdout] 6 |   let mut sin = std::io::stdin();
[INFO] [stdout]   |       ----^^^
[INFO] [stdout]   |       |
[INFO] [stdout]   |       help: remove this `mut`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]  --> src/main.rs:8:3
[INFO] [stdout]   |
[INFO] [stdout] 8 |   sout.flush();
[INFO] [stdout]   |   ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]   = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:15:3
[INFO] [stdout]    |
[INFO] [stdout] 15 |   sin.read_line(&mut String::new());
[INFO] [stdout]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 30 |     sout.flush();
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:34:5
[INFO] [stdout]    |
[INFO] [stdout] 34 |     sin.read_line(&mut recall);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.43s
[INFO] running `Command { std: "docker" "inspect" "fb2a3fe7fd2c68c63db7dec32bbf1309fa8ec8482efbad4eb6ed364cf1e08cff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fb2a3fe7fd2c68c63db7dec32bbf1309fa8ec8482efbad4eb6ed364cf1e08cff", kill_on_drop: false }`
[INFO] [stdout] fb2a3fe7fd2c68c63db7dec32bbf1309fa8ec8482efbad4eb6ed364cf1e08cff
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-64/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-64/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f10d0c24d01e1176b15775e60672a0d7fbf30c229e5d26e6608d9e5c95891eee
[INFO] running `Command { std: "docker" "start" "-a" "f10d0c24d01e1176b15775e60672a0d7fbf30c229e5d26e6608d9e5c95891eee", kill_on_drop: false }`
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]  --> src/main.rs:6:7
[INFO] [stderr]   |
[INFO] [stderr] 6 |   let mut sin = std::io::stdin();
[INFO] [stderr]   |       ----^^^
[INFO] [stderr]   |       |
[INFO] [stderr]   |       help: remove this `mut`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]  --> src/main.rs:8:3
[INFO] [stderr]   |
[INFO] [stderr] 8 |   sout.flush();
[INFO] [stderr]   |   ^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]   = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/main.rs:15:3
[INFO] [stderr]    |
[INFO] [stderr] 15 |   sin.read_line(&mut String::new());
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/main.rs:30:5
[INFO] [stderr]    |
[INFO] [stderr] 30 |     sout.flush();
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/main.rs:34:5
[INFO] [stderr]    |
[INFO] [stderr] 34 |     sin.read_line(&mut recall);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: `yaatla` (bin "yaatla" test) generated 5 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/yaatla-fd9c601baff2ec82)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "f10d0c24d01e1176b15775e60672a0d7fbf30c229e5d26e6608d9e5c95891eee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f10d0c24d01e1176b15775e60672a0d7fbf30c229e5d26e6608d9e5c95891eee", kill_on_drop: false }`
[INFO] [stdout] f10d0c24d01e1176b15775e60672a0d7fbf30c229e5d26e6608d9e5c95891eee